Outline Of Circuit Description - Sanyo VPC-CA6OR Service Manual

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CCD CIRCUIT DESCRIPTION
1. IC Configuration
The CCD peripheral circuit block basically consists of the fol-
lowing ICs.
IC903 (MN39830PMJ-A)
IC901 (AN20112A)
IC905 (AD9996BBCZ)
2. IC903 (CCD)
[Structure]
Interline type CCD image sensor
Optical size
Effective pixels
Pixels in total
Optical black
Horizontal (H) direction: Front 12 pixels, Rear 58 pixels
Vertical (V) direction:
Dummy bit number
Symbol
Pin No.
1, 23, 24 V V V
5L, 5R, 6
2, 3 V V
5A, 5B
V V V
1S, 2, 3L,
4, 7, 8, 9, 11
V V
3R, 4
5, 6, 10 V V V
1, 3A, 3B
14 VO
13 VDD
16
ØRG
12, 15 GND
17 PT
18 SUB SW
19
SUB
20, 21 H H
L, 1
22
H
2
CCD imager
V driver
CDS, AGC, A/D converter,
H driver
1/2.5 type format
2864 (H) X 2160 (V)
2934 (H) X 2171 (V)
Front 6 pixels, Rear 5 pixels
Horizontal : 28 Vertical :7
Pin Description
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Vertical register transfer clock
Signal output
Circuit power
Reset gate clock
GND
Protection transister bias
Substrate control
Substrate clock
Horizontal register transfer clock
Horizontal register transfer clock
Table 1-1. CCD Pin Description
V
12
Pin 13
Fig. 1-1.Optical Black Location (Top View)
VDD
13
VO
14
GND
15
16
Fig. 1-2. CCD Block Diagram
Waveform
DC
DC
GND
DC
DC
– 3 –
Pin 1
5
6
H
58
ø V6
1
ø V5B
2
Photo diode
3 ø V5A
ø V4
4
ø V3B
5
6 ø V3A
7 ø V3L
ø V3R
8
9 ø V2
10 ø V1
11 ø V1S
12 GND
23 ø V5R
24 ø V5L
Horizontal shift register
17 PT
18 SUBSW
19 ø Vsub
20 21 22
Voltage
-6.0 V, 0 V
-6.0 V, 0 V, 12 V
-6.0 V, 0 V
-6.0 V, 0 V, 12 V
Aprox. 12 V
12 V
4.5 V, 7.8 V
0 V
-6.0 V
0, 3.3 V (When importing all
picture element: 3.3 V)
Aprox. 6 V
(Different from every CCD)
0 V, 3.3 V
0 V, 3.3 V
When sensor read-out